#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#




import wsgiref.handlers
import os
import cgi
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from google.appengine.api import users
from google.appengine.ext import db
class Greeting(db.Model):
    author=db.UserProperty()
    content=db.StringProperty(multiline=True)
    date=db.DateTimeProperty(auto_now_add=True)
class MainPage(webapp.RequestHandler):  
    def get(self):    
        greetings_query = Greeting.all().order('-date')    
        greetings = greetings_query.fetch(10)    
        if users.get_current_user():      
            url = users.create_logout_url(self.request.uri)      
            url_linktext = 'Logout'    
        else:      
            url = users.create_login_url(self.request.uri)      
            url_linktext = 'Login'    
        template_values = {'greetings': greetings,'url': url,'url_linktext': url_linktext,}    
        path = os.path.join(os.path.dirname(__file__), 'index.htm')    
        self.response.out.write(template.render(path, template_values))
#        self.response.out.write('<html><body>')    
#        greetings = db.GqlQuery("SELECT * FROM Greeting ORDER BY date DESC LIMIT 10")    
#        for greeting in greetings:      
#            if greeting.author:        
#                self.response.out.write('<b>%s</b> wrote:' % greeting.author.nickname())      
#            else:        
#                self.response.out.write('An anonymous person wrote:')      
#            self.response.out.write('<blockquote>%s</blockquote>' %          cgi.escape(greeting.content))    
#                # Write the submission form and the footer of the page    
#        self.response.out.write("""    <form action="/sign" method="post">  <div><textarea name="content" rows="3" cols="60"></textarea></div>            <div><input type="submit" value="Sign Guestbook"></div> </form>        </body>      </html>""")
class MainHandler(webapp.RequestHandler):

  def get(self):
      template_values={}
      path = os.path.join(os.path.dirname(__file__), '1.html')    
      self.response.out.write(template.render(path, template_values))
#    user=users.get_current_user()
#    if user:
#        self.response.headers['Content-Type']='text/plain'
#        self.response.out.write('Hello, '+user.nickname())
#    else:
#        self.redirect(users.create_login_url(self.request.uri))

class Test(webapp.RequestHandler):
    def get(self):
        self.response.out.write("""<html><body><form action="/sign" method="post"><div><textarea name="content" rows="3" cols="60"></textarea></div>
        <div><input type="submit" value="Sign Guestbook"></div></form></body></html>"""
                                );
class Guestbook(webapp.RequestHandler):
    def post(self):
        greeting=Greeting()
        if users.get_current_user():
            greeting.author=users.get_current_user()
        greeting.content=self.request.get('content')
        greeting.put()
        #self.redirect('/', permanent)
        self.response.out.write('<html><body>You wrote:<pre>')    
        self.response.out.write(cgi.escape(self.request.get('content')))    
        self.response.out.write('</pre></body></html>')
def main():
  application = webapp.WSGIApplication([('/', MainHandler),('/main',MainPage),('/test',Test),('/sign',Guestbook)],
                                       debug=True)
  wsgiref.handlers.CGIHandler().run(application)


if __name__ == '__main__':
  main()
